A
panel will open giving you some choices. [You can drag that panel to make it
wider or more narrow. You can also close it (X) when you finish.]

STEP
3: Click
on ADD EFFECT -> ENTRANCE -> APPEAR.

The
choices you made above will tell the program to show each line in the text box
one at a time. One line at a time will appear as you click on the slide. You
must SHOW the presentation to see the effects.